Inventor · disambiguated record
Masaru Umezawa
Also filed as: UMEZAWA MASARU
9 granted patents·226 citations·filing 1994–1997
90Inventor score
Files withPIONEER ELECTRONIC CORP9
Top patents by PatentIndex Score
9 records- 0189US5790492ACrosstalk canceler with digital filter for producing pseudo crosstalk componentPIONEER ELECTRONIC CORP·Filed 1997·Granted Aug 4, 1998·65 cites·3 claims
- 0280US5995465ADigital signal reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1997·Granted Nov 30, 1999·35 cites·7 claims
- 0380US5901128ARecorded information reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1997·Granted May 4, 1999·36 cites·9 claims
- 0469US5719847AOptical disk player having waveform distortion compensating functionPIONEER ELECTRONIC CORP·Filed 1996·Granted Feb 17, 1998·22 cites·5 claims
- 0568US5663945ADigital phase locked loop with a digital voltage controlled oscillator in a recording information reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1995·Granted Sep 2, 1997·31 cites·6 claims
- 0655US5444680ADigital signal processing apparatus with a read error correction functionPIONEER ELECTRONIC CORP·Filed 1994·Granted Aug 22, 1995·10 cites·8 claims
- 0754US5742576ADigital signal reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1996·Granted Apr 21, 1998·11 cites·4 claims
- 0846US5572496AApparatus for reproducing an encoded digital signal based on a frame synchronization signalPIONEER ELECTRONIC CORP·Filed 1995·Granted Nov 5, 1996·12 cites·3 claims
- 0938US5673211ADigital data reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1996·Granted Sep 30, 1997·4 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Masaru Umezawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →